SamFirm is a software tool specifically designed to download the latest Samsung firmware directly from Samsung servers. In version 0.3.6, the software includes a decryption feature for encoded firmware. Furthermore, it requires a region or model to download the correct firmware for a device. The software performs this task efficiently, mitigating the need for users to search for firmware updates manually. It's an efficient tool for Samsung users to maintain their devices up-to-date.